I am interested in buying some rubber tall boots that can also be used for riding so I don't have to change into paddock boots and half chaps on rainy mucky days. Does anyone have any insight on this? I need a boot that will adjust to a 16 1/2 inch calf- size 8 or 8 1/2. I saw some boots in the store and some online I.e Hunter,Bogs,Muck boots etc. Thank you in advance.